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3 years ago

If a = 4 and b = 2, what is the value of the following expression?

Mathematics

2 answers:

romanna [79]3 years ago

4 0

The correct answer is D. 30.

Nadya [2.5K]3 years ago

3 0

Answer:

D) 30

Step-by-step explanation:

3(a + 4b)-6 = 3 ( 4 + 4*2) - 6

= 3( 4+8 ) - 6

= 3*12 - 6

= 36 - 6 =30

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Is the answer A,B,C or D.

algol13

Answer:

B= -3

Step-by-step explanation:

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3 years ago

Which is a correct first step for solving this equation?<br><br> −3x+2−5x−7=4x+2

In-s [12.5K]

Answer: x = - 7/12

Step-by-step explanation:

-3x + 2 - 5x - 7 = 4x + 2

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=> -12x = 7

=> x = - 7/12

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3 years ago

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Ghella [55]

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3 years ago

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lozanna [386]

Answer:

i belive its 1

Step-by-step explanation:

Because its SUM so its adding and the sum is 22 and 20+2=22.

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3 years ago